Quick Specs

Introducing the SB13-ULTRA

SB13-Ultra – Heroic Performance, Black-Tie Elegance

Are there 17 inches square in your home to make room for the most critically acclaimed subwoofer on the planet? The SB13 is the most popular Ultra for more than its modest stature alone. The flagship of our sealed models delivers super-hero levels of power, detail, speed and musicality. Yet, disguised in an elegant and compact cabinet it goes practically unnoticed in any décor—until it is called into action. You’ll quickly find the SB13’s reputation is well deserved and its value unparalleled. Mission accomplished - SVS style.

Press Reviews

“...an exceptional multichannel loudspeaker system that is true to SVS' tradition of offering higher performance for the money through R&D and design... the SVS Ultras offer a level of price/performance value that is rare, if non-existent.”

“Overall, the SB13-Ultra performance is so good, and its quality build and price so impressive, I have absolutely no negatives…For under $1,600, the SVS SB13-Ultra gets you a high-performance, acoustic suspension subwoofer that can handle about all the serious bass of a multi-channel or stereo speaker system.”

“If you’re an enthusiast who wants the speed and control of a sealed enclosure with the deep bass extension typical of a ported sub, then you’ve found your pot of gold in the SB13-Ultra...arguably one of the best (or possibly the best) price-performance value in subwoofers.”

“The SVS SB13-Ultra is an exceptional product that is true to SVS's tradition of offering higher performance for the money through R&D and design... this is an exceptionally high-performance subwoofer that can accurately reproduce the sound of music or movies.”

“I found the bass to be authoritative, while at the same time complimentary to the mids and highs. From the bass guitar to the djembes and piano, every low-frequency element was well fleshed out and engaging… With a sub of this caliber, you'll surely make enemies of your neighbors, but you'll have so much fun doing so that it's totally worth it. The bottom line is that the SVS SB13-Ultra is a meaningful audio component that's worth every penny of its $1,599 asking price.”

“Dollar for dollar, the SVS SB13-Ultra is one of the best (if not THE best) subwoofers on the market. Powerful, deep bass. Equally adept performance for music and moves. The only way to make it much better is to buy two.”

"It is not just the aesthetics. It is not just the power. It is not just the precision and it is not just the level of detail that can be heard in the VLF range. It is all of these things combined that make the SB13 Ultra my Sub Zone Reviewer's Choice. There is simply no better performing subwoofer in its class."

"…the value it delivers in terms of build quality and performance at this price is, in my opinion, unmatched. In terms of features, it offers more than many subwoofers at twice and even three times the price."

"It plays loud and deep with extremely low distortion. But it also has the ability to deliver finely nuanced bass with textures and dynamic shadings that are quite rare even by today's standards… It is quite frankly an engineering juggernaut."

"The bass from the quartet of 8in drivers and that weapons-grade hammer of a bass driver is wondrous. Rapid beyond belief, with astonishing grip and literally no overhang at all... But there's more than just an iron grip and lack of bass boominess - this is a whole package of loveliness...the SVS system's midband and effortless, soaring, clean and pure highs were able to entertain as well as unnerve."

"I couldn't believe how low this SVS could go. More importantly, I was struck by how clean and nuanced the bass is at even its lowest levels... It is far and away the deepest and most detailed sub I've had the pleasure of listening to in my home theater."

"Designed to deliver the most vigorous, versatile bass performance in its class, the new SVS SB13-Ultra subwoofer is a low frequency, high-output knockout offered at an unbeatable value, in a surprisingly elegant footprint."

"No matter how loud I played it, I couldn't get the sub to bottom out or show any signs of strain. Furthermore, my room is more than 5,000 cubic feet, and I never once felt the subwoofer running out of headroom. That's pretty damn impressive."

"…one of the very best subwoofers I have had the pleasure of spending time with… The way the SB13-Ultra goes about low end exertion is so utterly convincing that going back to most other devices seems like a bit of a letdown afterwards."

Owner Ratings & Reviews

NewSledge Amplifier STA-1000D: Intelligent and sophisticated Power

The Sledge STA-1000D amplifier is a perfect match for the Ultra 13 driver, packing 1,000 watts of power and sophisticated DSP control. Comprehensive and extensive menu options are accessed via an intuitive single-knob interface and easy-to-use, LCD display. This will make your set-up and integration with home theater or stereo system quick and simple.

Sheer power alone is not enough. The SB13-Ultra’s amplifier equalization curve has been expertly optimized. Its roll-off is gradual, transient response superb and group delay extremely low. This roll-off profile makes the most of available 'room gain' so that under optimal conditions the SB13-Ultra can extend in room to 15 Hz or deeper. Even more, these characteristics make it ideal to pair with other SB13 Ultras for a multiple subwoofer configurations.

SVS 13.5” High Output Driver

To equip the SB13, SVS’s audio engineers started miles ahead of other subwoofers. Their advantage? The famed Ultra 13 driver. Which they then optimized for a sealed application. They revised the motor geometry, added a unique voice coil and custom gap extension plate. The result is a sealed subwoofer that delivers higher thermal power handling, more symmetrical force/displacement profile, lower distortion, and increased linear stroke. Only SVS engineers could start with the Ultra 13 driver. Only SVS engineers would push the envelope this far to deliver the clean, deep low end of the SB13-Ultra.

Ask an SVS Sound Expert

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